Biology, Science

10th

grade

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Our environment

15
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10 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt

    Every food chain in the ecosystem begins with………., which are the original source of food

    Saprophytes

    Parasites

    Producers

    Herbivores

  • 2. Multiple Choice
    30 seconds
    1 pt

    Ecology is one of topic in Biology subject. What is exactly the main point of ecology?

    Intra-species and inter-species interaction

    Behavior of organism as individual

    Interaction between organisms and environment

    Behavior of organisms in one population

  • 3. Multiple Choice
    30 seconds
    1 pt

    Sun is known as the most important source of life in earth. Below there are sun's roles in energy flow, except

    Sunlight helps plant to liberate oxygen from water

    Sunlight is the main source for plants to create sugar as food

    Helping photosynthetic organisms converting inorganic matters to organic matter

    Sun helps plant to do respiration

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